Presentation
Painless swelling of the medial aspect of the left orbit
Patient Data
Age: 15 years
Gender: Male
From the case:
Orbital dermoid cyst
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There is a well-defined extraconal hypodense mass of fatty density (-120 HU) at the internal angular region of left orbit with no calcification or enhancement on postcontrast images.
Globes, optic nerves, and orbital muscles appear normal.
Case Discussion
CT features are most consistent with an orbital dermoid cyst.